0. Net::SSLeay - Use OpenSSL from Perl- This module offers some a Perl binding to the OpenSSL library as well as some high level convinience functions for accessing web pages on SSL servers and a sslcat() function for writing your own clients.

1. Torrus packaging project- This is the Debian packaging project for Torrus, flexible and scalable frontend for Round Robin Database (RRDtool), implemented in Perl. More information is available at http://rrfw.sourceforge.net.

2. Debian Kolab Packages- The Kolab packages provides a free software groupware solution. It is formed by a number of well-known and proven components or the standards tasks such as E-Mail, Directory Service and Web Service with some additional patches. http://www.kolab.org/